#include "../Eigen/Core"

#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
#define CV_QUALIFIER const
#else
#define CV_QUALIFIER
#endif

using namespace Eigen;

void
call_ref(Ref<VectorXf> a)
{
}

int
main()
{
	VectorXf a(10);
	CV_QUALIFIER VectorXf& ac(a);
	call_ref(ac);
}
